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Finding the Fourth Proportional to 296,995.36, 445,158.37 and 147,342.91

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Solution

The fourth proportional to 296,995.36, 445,158.37 and 147,342.91 is: 220,848.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,995.36 : 445,158.37 = 147,342.91 : x
  2. Step 2: Convert to fraction form
    296,995.36/445,158.37 = 147,342.91/x
  3. Step 3: Cross multiply
    296,995.36x = 445,158.37 × 147,342.91
  4. Step 4: Simplify right side
    296,995.36x = 65,590,929,646.66
  5. Step 5: Solve for x
    x = 65,590,929,646.66/296,995.36
  6. Step 6: Final answer
    x = 220,848.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.